Set of grips for a cell phone



FIG. 1 is a perspective view of a set of grips for a cell phone showing my new design;

FIG. 2 is a right side view, the left side being a mirror image thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line showing of a cell phone is for illustration only and forms no part of the claimed design. 

The ornamental design for set of grips for a cell phone, as shown and described. 